Mustard Mayonnaise

Grrrrrgh!
Course : Condiments
From: HungryMonster.com
Serves: 4
 

Ingredients:

1 pint olive oil
1 large egg yolk
1 teaspoon mustard powder
 

Preparation:

Beat egg yolk. Add the mustard powder. Beat well. Add one drop olive oil. Beat well. Keep adding oil one drop at a time until you reach the right consistency.